diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-03-08 00:13:52 +0100 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-03-17 14:20:55 +0100 |
| commit | 83bbc5ac63326433755592829caf02920b3d8dc0 (patch) | |
| tree | 377fb7f37532d24d581e27b6f51b10fd3978f42c /include/linux/rtc.h | |
| parent | 989515647e783221f9737ed1cf519573d26ce99b (diff) | |
rtc: Add useful timestamp definitions
Add commonly used timestamps for range definition.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'include/linux/rtc.h')
| -rw-r--r-- | include/linux/rtc.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/rtc.h b/include/linux/rtc.h index 82a3038f16ab..4c007f69082f 100644 --- a/include/linux/rtc.h +++ b/include/linux/rtc.h @@ -169,6 +169,11 @@ struct rtc_device { }; #define to_rtc_device(d) container_of(d, struct rtc_device, dev) +/* useful timestamps */ +#define RTC_TIMESTAMP_BEGIN_1900 -2208989361LL /* 1900-01-01 00:00:00 */ +#define RTC_TIMESTAMP_BEGIN_2000 946684800LL /* 2000-01-01 00:00:00 */ +#define RTC_TIMESTAMP_END_2099 4102444799LL /* 2099-12-31 23:59:59 */ + extern struct rtc_device *rtc_device_register(const char *name, struct device *dev, const struct rtc_class_ops *ops, |